Queen Clarisse Renaldi is a fictional character from the Princess Diaries series, created by author Meg Cabot. She is the ruler of the small European principality of Genovia and serves as a mentor to her granddaughter, Mia Thermopolis. Queen Clarisse is known for her strong sense of duty, elegance, and wisdom. In the story, Queen Clarisse plays a crucial role in guiding Mia as she learns about her royal heritage. She embodies the values of leadership and compassion, often encouraging Mia to embrace her identity and responsibilities as a princess. Her character is portrayed by actress Julie Andrews in the film adaptations.